Mannequin



FIG. 1 is a front view thereof,

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof.

In the drawings, the broken lines represent features of the design forming no part of the claim. 

The ornamental design for a mannequin, as shown and described. 